Parallel Advisors’s Hudson Technologies HDSN Stock Holding History

Parallel Advisors’s Portfolio HDSN Stock Details HDSN Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q1	$5.5K	Buy	+935	New	+$6.41K	﹤0.01%	2999
2024 Q4	–	Sell	-54	Closed	-$450	–	3563
2024 Q3	$450	Sell	54 -88	-62%	-$728	﹤0.01%	3198
2024 Q2	$1.25K	Sell	142 -86	-38%	-$833	﹤0.01%	2909
2024 Q1	$2.51K	Hold	228	–	–	﹤0.01%	2760
2023 Q4	$3.08K	Sell	228 -282	-55%	-$3.64K	﹤0.01%	2666
2023 Q3	$6.78K	Buy	510 +125	+32%	+$1.35K	﹤0.01%	2372
2023 Q2	$3.7K	Buy	385 +122	+46%	+$1.06K	﹤0.01%	2536
2023 Q1	$2.3K	Hold	263	–	–	﹤0.01%	2715
2022 Q4	$2.66K	Buy	263 +20	+8%	+$195	﹤0.01%	2574
2022 Q3	$2K	Buy	+243	New	+$2.04K	﹤0.01%	2661
2017 Q1	–	Sell	-1,000	Closed	-$8K	–	2021
2016 Q4	$8K	Buy	+1,000	New	+$7.06K	﹤0.01%	1191

Other funds holding HDSN

Hartree Partners New York $467M AUM 66.71% 1-Year Est. Return

WCM

Westerly Capital Management San Francisco, California $368M AUM 42.67% 1-Year Est. Return

BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return

Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return

VCM

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

Renaissance Technologies New York $63.9B AUM 45.56% 1-Year Est. Return

American Century Companies Kansas City, Missouri $194B AUM 35% 1-Year Est. Return

NSCM

New South Capital Management Memphis, Tennessee $2.09B AUM 33.67% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

Parallel Advisors's HDSN Position: Q1 2026 in Review

Parallel Advisors opened a new position in Hudson Technologies (HDSN) in Q1 2026: 935 shares worth $5.5K. The stake represents ﹤0.01% of the portfolio and ranks #2999 among its holdings. This is a return to the name: Parallel Advisors previously reported a position in HDSN as recently as Q3 2024.

Parallel Advisors first reported a position in HDSN in Q4 2016 and has held it in 11 quarters since. The position peaked at $8K in Q4 2016. 160 funds tracked by Wall St. Rank hold HDSN as of Q1 2026.

Parallel Advisors held 935 shares of Hudson Technologies worth $5.5K as of Q1 2026.
Hudson Technologies was a new Parallel Advisors position in Q1 2026.
Hudson Technologies made up ﹤0.01% of Parallel Advisors's portfolio in Q1 2026, its #2999 holding.
Parallel Advisors first reported a position in Hudson Technologies in Q4 2016 and has held it in 11 quarters since.
Parallel Advisors's Hudson Technologies position peaked at $8K in Q4 2016.
160 funds tracked by Wall St. Rank held Hudson Technologies as of Q1 2026.

Based on Parallel Advisors's 13F filing for Q1 2026, filed 7 May 2026.